Cisco IGX 8400 Series Family
Cisco Site Preparation Guide
3-46
Voice Services
IGX 8400 series switches provide efficient, high-quality voice connectivity to digital PABX through
standard interfaces. The IGX 8400 series is the industry's first ATM switch with voice using both
voice compression and silence suppression.
Circuit-Switched Data Services
Circuit-switched data services on the IGX 8400 series include the following features:
• Transparent data service
• Flexible clocking
• Repetitive pattern suppression—circuit data compression
• Circuit switched data service modules
Trunk Resources
The IGX trunk modules include the network trunk module, broadband ATM module, ATM line
module, and frame trunk module.
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